Fix posts and rework graphql errors

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/vue-apollo.ts

@@ -147,6 +147,7 @@ export default new VueApollo({
       "background: red; color: white; padding: 2px 4px; border-radius: 3px; font-weight: bold;",
       error.message
     );
+    console.error(error);
   },
 });